*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:#f5f6fa;color:#2d3436;line-height:1.6;
}
a{color:#0984e3;text-decoration:none}
a:hover{color:#074b83}
.container{max-width:720px;margin:0 auto;padding:0 20px}
.header{background:#fff;border-bottom:1px solid #e8e8e8;position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;height:56px;gap:20px}
.logo{font-size:18px;font-weight:700;color:#2d3436;letter-spacing:-0.3px}
.logo:hover{color:#0984e3}
.nav{display:flex;align-items:center;gap:14px;margin-left:auto;font-size:14px}
.nav-user{color:#636e72;font-size:13px}
.main{padding:48px 0 60px;min-height:calc(100vh - 116px)}
.hero{text-align:center;margin-bottom:36px}
.hero h1{font-size:28px;font-weight:700;margin-bottom:8px}
.hero p{color:#636e72;font-size:15px}
.card{background:#fff;border-radius:12px;border:1px solid #e8e8e8;padding:28px}
.card-sm{padding:20px}
.url-form{display:flex;gap:10px;margin-bottom:14px}
.url-input{flex:1;padding:12px 16px;border:2px solid #dfe6e9;border-radius:8px;font-size:15px;outline:none;transition:border-color 0.2s}
.url-input:focus{border-color:#0984e3}
.url-btn{padding:12px 28px;background:#0984e3;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background 0.2s}
.url-btn:hover{background:#074b83}
.url-btn:disabled{background:#b2bec3;cursor:not-allowed}
.result-box{display:none;margin-top:16px;padding:16px;background:#f0fff4;border:1px solid #55efc4;border-radius:8px}
.result-box.show{display:block}
.result-url{font-size:16px;font-weight:600;color:#00b894;word-break:break-all;display:block;margin-bottom:6px}
.result-hint{font-size:13px;color:#636e72}
.result-actions{margin-top:10px;display:flex;gap:8px}
.result-actions button,.result-actions a{padding:6px 14px;border-radius:6px;font-size:13px;cursor:pointer;border:1px solid #dfe6e9;background:#fff;color:#2d3436;text-decoration:none}
.result-actions button:hover,.result-actions a:hover{background:#f5f6fa}
.btn-copy{background:#00b894!important;color:#fff!important;border-color:#00b894!important}
.btn-copy:hover{background:#00a381!important}
.error-box{display:none;margin-top:12px;padding:12px 16px;background:#fff5f5;border:1px solid #fab1a0;border-radius:8px;color:#d63031;font-size:14px}
.error-box.show{display:block}
.guest-notice{margin-top:14px;padding:10px 14px;background:#ffeaa7;border-radius:6px;font-size:13px;color:#6c5b1e}
.guest-notice a{font-weight:600;color:#d63031}
.features{margin-top:36px}
.features h2{font-size:17px;font-weight:600;margin-bottom:16px;text-align:center}
.feature-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.feature-item{background:#fff;border:1px solid #e8e8e8;border-radius:10px;padding:20px;text-align:center}
.feature-icon{font-size:28px;margin-bottom:8px}
.feature-item h3{font-size:14px;font-weight:600;margin-bottom:4px}
.feature-item p{font-size:13px;color:#636e72}
.footer{text-align:center;padding:20px 0;font-size:13px;color:#b2bec3;border-top:1px solid #e8e8e8}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:#2d3436}
.form-input{width:100%;padding:10px 14px;border:2px solid #dfe6e9;border-radius:8px;font-size:15px;outline:none;transition:border-color 0.2s}
.form-input:focus{border-color:#0984e3}
.form-btn{width:100%;padding:12px;background:#0984e3;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer}
.form-btn:hover{background:#074b83}
.form-link{text-align:center;margin-top:12px;font-size:14px;color:#636e72}
.form-error{background:#fff5f5;border:1px solid #fab1a0;padding:10px 14px;border-radius:8px;color:#d63031;font-size:14px;margin-bottom:16px;display:none}
.form-error.show{display:block}
.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.dashboard-header h2{font-size:20px;font-weight:700}
.create-link-btn{padding:8px 18px;background:#0984e3;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none}
.create-link-btn:hover{background:#074b83;color:#fff}
.link-table{width:100%;border-collapse:collapse;font-size:14px}
.link-table th{text-align:left;padding:10px 12px;border-bottom:2px solid #dfe6e9;font-weight:600;color:#636e72;font-size:13px}
.link-table td{padding:10px 12px;border-bottom:1px solid #f0f0f0;vertical-align:middle}
.link-table tr:hover td{background:#f8f9fa}
.link-target{color:#636e72;font-size:13px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.link-actions{display:flex;gap:6px}
.link-actions a,.link-actions button{padding:4px 10px;border-radius:6px;font-size:12px;cursor:pointer;border:1px solid #dfe6e9;background:#fff;color:#2d3436;text-decoration:none}
.link-actions a:hover,.link-actions button:hover{background:#f5f6fa}
.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.badge-active{background:#dfe6e9;color:#636e72}
.badge-expired{background:#fab1a0;color:#d63031}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:20px}
.pagination a,.pagination span{padding:6px 14px;border-radius:6px;font-size:14px;font-weight:600;border:1px solid #dfe6e9;text-decoration:none;color:#2d3436}
.pagination a:hover{background:#f5f6fa}
.pagination .current{background:#0984e3;color:#fff;border-color:#0984e3}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.stat-card{background:#f8f9fa;border-radius:8px;padding:14px;text-align:center}
.stat-card .num{font-size:22px;font-weight:700;color:#0984e3}
.stat-card .label{font-size:12px;color:#636e72;margin-top:2px}
@media(max-width:600px){.url-form{flex-direction:column}.feature-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.link-target{max-width:120px}}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn 0.3s ease}